USPTO Patents Application 10010020

I hereby certify that this correspondence is being deposited with the United States Postal Service as
First Class Mail in an envelope addressed to the Assistant Commissioner for Patents, Arlington, VA
22202 on December 5, 2001.

By:

Leonor S. Tuck

Date: December 5, 2001

IN THE UNITED STATES PATENT AND TRADEMARK OFFICE

Inventor:

Gary B. Gordon

Serial No.: 09/971,867

Group Unit: 1655

Examiner:

Title: "Solid-Phase Chemical Analysis Using Array Hybridization Facilitated

By Agitation During Centrifuging"

Filed on: October 4, 200 1

Assistant Commissioner for Patents
Washington, D. C. 20231

Attorney Docket No. : 10002431-4

Dear Sir:

PRELIMINARY AMENDMENT

nd the specification after the title by inserting the following heading:

—Cross Reference to Related Application(s)— ;

And add the paragraph:

—This is a continuation of co-pending application serial number
09/590,934 filed on June 8, 2000 which is a Continuation-In-Part of
co-pending application serial number 09/514, 975 filed on Feb. 29, 2000.
This application is a continuation of 09/971,867 filed on
October 4, 2001, which is a continuation of 09/514,975 filed on
February 29, 2000. All of the aforementioned applications are hereby
Incorporated by reference in their entireties.— .

If you have any questions, please do not hesitate to call the undersigned attorney.

Respectfully submitted,

IP Administration
Agilent Technologies, Inc.
Legal Department, M/S 51UPD
P. O. Box 7599
Loveland, CO 80537-0599

GARY B. GORDON

By: fl/kjUtd \ J ft

Michkel J. Beck
Reg, No.: 40,907

Date: December 5, 2001
Phone: (650)485-3864